He told ITV News that he views Islamist and far-right groups as "two sides of the same coin" and believes both sets of extremists will ultimately fail because neither upholds British values.

I think all of those attempts from whatever organisation will fail because actually the great instincts of British people - the values that hold us together - are things like decency and fair play and inclusion.

Yes, we can disagree with each other about different issues, whether that's politics or football or migration but this twisted hatred has never been who our country is and it won't be who our country becomes.

On the weekend of 17 and 18 June, a national event marking the first anniversary of Mrs Cox's death aims to bring communities together with a series of street parties, picnics, barbeques and bake-off competitions across the UK.

Mr Cox told ITV News that The Great Get Together will be about "celebrating Jo and everything that she stood for."